Experience unparalleled reliability with the ProMag Industries SIG-A22 20-Round Magazine for Sig Sauer P320 9MM. Designed for seasoned firearm enthusiasts, this magazine offers superior performance and durability. Crafted in the USA, it features a robust steel construction that withstands rigorous use. The precision-wound magazine spring ensures smooth feeding and function, while the meticulous assembly process guarantees consistent quality. 20-Round Magazine Fits Sig Sauer P320 9MM Pistol Magazine Body Constructed of Heat Treated Steel with Black Oxide Finish Injection Molded Magazine Follower Magazine Spring Formed From Heat Treated Chrome Silicone Wire Made in the U.S.A. Elevate your firearm's capabilities with this trusted magazine, backed by a lifetime guarantee.